booru-tools/dandl.sh

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#!/bin/bash
USE_TOR=false
DELAY=1
function usage {
echo "./$(basename "$0") [-t] [-s]"
echo "Mass downloader for Danbooru"
echo "Simply make a files.txt inside a folder and paste all your links, then run this script to download them all!"
echo " -h shows this help message"
echo " -t downloads using tor (requires torsocks)"
echo " -s sets the delay after each request, defaults to 1"
}
# list of arguments expected in the input
optstring=":hts:"
while getopts ${optstring} arg; do
case ${arg} in
h)
usage
exit
;;
t)
USE_TOR=true
echo -n "Using Tor with IP: "
torsocks curl ip.me
;;
s)
DELAY="${OPTARG}"
;;
:)
echo "$0: Must supply an argument to -$OPTARG." >&2
exit 1
;;
?)
echo "Invalid option: -${OPTARG}."
exit 2
;;
esac
done
while read -r f; do
echo "$f"
# MODIFY URL TO API CALL
# shellcheck disable=SC2001
JSON_URL=$(echo "$f" | sed "s/\?q.*//g")
# DOWNLOAD JSON
if $USE_TOR; then
JSON=$(torsocks curl -s "$JSON_URL.json")
else
JSON=$(curl -s "$JSON_URL.json")
fi
# STORE FILE URL AND TAGS INTO VARIABLES
FILE_URL=$(echo "$JSON" | jq -r '."file_url"')
FILE_TAGS=$(echo "$JSON" | jq -r '."tag_string"' | sed 's/\ /,/g')
FILE_MD5=$(echo "$JSON" | jq -r '.md5')
FILE_EXT=$(echo "$JSON" | jq -r '.file_ext')
FILE="$FILE_MD5.$FILE_EXT"
# DOWNLOAD FILE
if $USE_TOR; then
torsocks curl -O -J "$FILE_URL"
else
curl -O -J "$FILE_URL"
fi
# ADD TAGS TO NEW IMAGE
setfattr -n user.xdg.tags -v "$FILE_TAGS" "$FILE"
setfattr --name=user.checksum --value="$FILE_MD5" "$FILE"
# DELAY BEFORE NEXT FETCH
sleep "$DELAY"
done < files.txt